S313
(W/A45) Left seat harness, under the left front seat approximately 52.5 cm (19.1 in) from the forward/back position sensor(W/O A45) Left seat harness, under the left front seat approximately 48.5 cm (19.1 in) from the left lumbar switch connector
"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID". RPO Codes